| gptkbp:instanceOf | gptkb:volcanic_activity 
 | 
                        
                            
                                | gptkbp:age | about 2.1 million years 
 | 
                        
                            
                                | gptkbp:associatedWith | earthquakes ground deformation
 hydrothermal explosions
 
 | 
                        
                            
                                | gptkbp:coveredBy | gptkb:Yellowstone_National_Park 
 | 
                        
                            
                                | gptkbp:diameter | about 30 by 45 miles 
 | 
                        
                            
                                | gptkbp:hasFeature | gptkb:hot_springs gptkb:volcanic_activity
 geysers
 hydrothermal vents
 magma chamber
 
 | 
                        
                            
                                | gptkbp:hotspot | gptkb:Yellowstone_hotspot 
 | 
                        
                            
                                | gptkbp:impact | global climate change ash fallout
 massive eruption
 
 | 
                        
                            
                                | gptkbp:lastEruption | approximately 640,000 years ago 
 | 
                        
                            
                                | gptkbp:locatedIn | gptkb:United_States gptkb:Wyoming
 gptkb:Yellowstone_National_Park
 
 | 
                        
                            
                                | gptkbp:monitors | gptkb:United_States_Geological_Survey gptkb:Yellowstone_Volcano_Observatory
 
 | 
                        
                            
                                | gptkbp:notableEvent | gptkb:Huckleberry_Ridge_eruption gptkb:Lava_Creek_eruption
 gptkb:Mesa_Falls_eruption
 
 | 
                        
                            
                                | gptkbp:partOf | gptkb:Yellowstone_Caldera 
 | 
                        
                            
                                | gptkbp:previousEruptions | 1.3 million years ago 2.08 million years ago
 640,000 years ago
 
 | 
                        
                            
                                | gptkbp:riskFactor | low (currently) 
 | 
                        
                            
                                | gptkbp:studiedBy | geologists volcanologists
 
 | 
                        
                            
                                | gptkbp:type | gptkb:volcanic_activity 
 | 
                        
                            
                                | gptkbp:volcanicField | gptkb:Yellowstone_Plateau_volcanic_field 
 | 
                        
                            
                                | gptkbp:volcanoType | caldera-forming 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Canyon_Visitor_Education_Center 
 | 
                        
                            
                                | gptkbp:bfsLayer | 5 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Yellowstone supervolcano 
 |